Signature analysis: there are countless roads in the mountains, just like the trajectory of life, winding. There are avenues and paths. Some are spacious and bright, others are narrow and dark, so you can choose. If you choose the right one, life will be smooth sailing.
Praying for a sign means that superstitious people draw lots in front of the Buddha to predict good or bad luck. It is a folk custom in China, and it is also one of the forms of divination. This answer is for reference only, don't be superstitious.